(1)I dentification of major hazards Government authorities and authorities have developed hazardous G弓 materials and their critical mass standards based on the 中华人民共和国国家标准 characteristics of material toxicity, combustion and explosion 1810 Through hazardous substances and their critical mass standards, it is possible to determine which are potential sources of danger for 重大危险源辨识 possible accidents 叫山 According to relevant standards(such as "Dangerous Chemicals Major Hazard Source Identification" GB18218-2018), enterprises determine whether there are major hazards and major hazard levels based on hazardous substances and their critical mass standards 曰家质量技术监督卷
（1）Identification of major hazards • Government authorities and authorities have developed hazardous materials and their critical mass standards based on the characteristics of material toxicity, combustion and explosion. Through hazardous substances and their critical mass standards, it is possible to determine which are potential sources of danger for possible accidents. • According to relevant standards (such as “Dangerous Chemicals Major Hazard Source Identification” GB18218-2018), enterprises determine whether there are major hazards and major hazard levels based on hazardous substances and their critical mass standards
(2) Evaluation of ma jor hazards Conduct risk control to Identify various risk check whether the risk factors and their value has reached an causes and mechanisms Evaluate the probability Conduct a risk acceptable level, of an identified Assess the assessment, that is, otherwise measures should be taken to dangerous event consequences evaluate the combined effect reduce the level of of a dangerous event of the probability danger. of occurrence of a dangerous event and the consequences
1 2 Evaluate the probability of an identified dangerous event 3 Assess the consequences of a dangerous event 4 Conduct a risk assessment, that is, evaluate the combined effect of the probability of occurrence of a dangerous event and the consequences 5 Conduct risk control to check whether the risk value has reached an acceptable level, otherwise measures should be taken to reduce the level of danger. Identify various risk factors and their causes and mechanisms
(3)Management of ma jor hazards Management of major hazards of the unit. After identifying, and evaluating, major hazards, a strict safery uction The enterprise shall bear the primary responsibility for the safe pro management system, should be developed for each major hazard source, and major hazards should be strictly controlled and managed through technical measures and organizational measures Training and guidance for personnel, providing equipment to ensure their Selection of chemicals, design, safety, determination of staff level, construction, operation working hours, responsibilities maintenance, and planned management of external contractors inspections of facilities and on-site temporary workers. Technical measures Organizational measures
• Management of major hazards The enterprise shall bear the primary responsibility for the safe production of the unit. After identifying and evaluating major hazards, a strict safety management system should be developed for each major hazard source, and major hazards should be strictly controlled and managed through technical measures and organizational measures
(4) Safety report for ma jor hazards Safety report for major hazards The enterprise shall submit a safety report to the competent government department for the major hazard identified and evaluated within the prescribed time limit. In the case of new, potentially hazardous facilities, a safety report should be submitted prior to its preliminary design review Measures to · Include: limit the consequences Basic of accidents Risk factors and operation Types of accidents situation preconditions and control that may occur of major that may cause measures to and the likelihood On-site accident hazards an accident prevent and consequences emergency mistakes f the accident rescue plan
• Safety report for major hazards • The enterprise shall submit a safety report to the competent government department for the major hazard identified and evaluated within the prescribed time limit. In the case of new, potentially hazardous facilities, a safety report should be submitted prior to its preliminary design review. • Include： Basic situation of major hazards Risk factors and preconditions that may cause an accident Safe operation and control measures to prevent mistakes Types of accidents that may occur and the likelihood and consequences of the accident Measures to limit the consequences of accidents On-site accident emergency rescue plan
(5) Acc ident emer gency rescue plan On-site accident emergency rescue Off-site accident emergency rescue plan The enterprise shall be responsible for formulating emergency plans for on-site accidents, and regularly verifying and The emergency rescue plan for off-site accidents shall be formulated by the evaluating the effectiveness of on-site competent government department emergency response plans and according to the safety reports and relevant procedures, and making revisions as materials provided by the enterprise. The necessary. The focus is on emergency focus is on the emergency measures the and rescue at the scene of the accident government should take in the event of an emergency